/Engine/Source/Editor/Sequencer/Public/ISequencerTrackEditor.h
FSequencerDragDropParams ( [UMovieSceneTrack](API\Runtime\MovieScene\UMovieSceneTrack) * InTrack, int32 InRowIndex, [FGuid](API\Runtime\Core\Misc\FGuid) InTargetObjectGuid, [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) InFrameNumber, const [TRange](API\Runtime\Core\Math\TRange)< [FFrameNumber](API\Runtime\Core\Misc\FFrameNumber) > & InFrameRange )